Can be set 2-36 in/lb or .2-4 Nm. Remove the black cap, raise the torque adjusting key from the stored locked position, rotate the torque adjusting key to align with the lens line with the desired torque, use marking on shaft to determine torque scale and setting, rotate the torque key clockwise to increase the setting, rotate the torque key counter clockwise to decrease the setting. When the desired torque is under the lens line, fold the adjusting key back into the screwdriver and replace black vinyl cap. Do not use any bits longer than 6".